<span>The Inner Planets dense and rocky because they are close enough to the sun that the heat has driven off the free hydrogen and helium which forms most of the Gas Giant planets (and most of the universe). Only the heavier elements remain.
And please put the questions in right subject. It belongs to "Physics" not for "Biology".
Hope this helps!</span>
Answer: The branch of biology and medicine concerned with the study of embryos and their development.
Explanation:
Reword that and mark me brainliest
Answer:
It is possible for two of the same species to have differences in their DNA.
Answer:
B. The cells have no nucleus
Explanation:
The prokaryotic cells has no nucleus
